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A novel method for fabrication of high-flux zeolite membranes on supports with arbitrary geometry
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Kemiteknik.ORCID-id: 0000-0003-2656-857x
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Kemiteknik.ORCID-id: 0000-0001-9794-8305
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Kemiteknik.ORCID-id: 0000-0003-1053-4623
2019 (engelsk)Inngår i: Journal of Materials Chemistry A, ISSN 2050-7488, Vol. 7, nr 17, s. 10325-10330Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A novel procedure for the preparation of high-flux zeolite membranes was developed. This method relies on rendering the support hydrophobic, and thereby protected from the synthesis mixture and invasion of the support pores, while the cationic polymer on the surface still allowed deposition of zeolite seeds. Both high-flux MFI and CHA zeolite films were grown on both discs and tubular supports, which illustrates the applicability of the method to arbitrary membrane geometries. Typically, MFI disc membranes showed a very high CO2permeance of 85 × 10−7 mol m−2 s−1 Pa−1 and a CO2/H2 separation selectivity of 56 at 278 K and CHA disc membranes showed a very high CO2 permeance of 79 × 10−7 mol m−2 s−1 Pa−1 and a CO2/CH4 separation selectivity of 76 at 249 K. As the method is applicable to supports with complex geometries, it is suitable for preparation of membranes for industrial applications.

sted, utgiver, år, opplag, sider
Royal Society of Chemistry, 2019. Vol. 7, nr 17, s. 10325-10330
HSV kategori
Forskningsprogram
Kemisk teknologi
Identifikatorer
URN: urn:nbn:se:ltu:diva-73583DOI: 10.1039/C9TA00789JISI: 000472183200016Scopus ID: 2-s2.0-85064990509OAI: oai:DiVA.org:ltu-73583DiVA, id: diva2:1304049
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Validerad;2019;Nivå 2;2019-06-24 (johcin)

Tilgjengelig fra: 2019-04-11 Laget: 2019-04-11 Sist oppdatert: 2019-07-10bibliografisk kontrollert

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Yu, LiangHolmgren, AllanHedlund, Jonas

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